Former State Department senior advisor Christian Whiton discusses violent protests sweeping France, alleged ties between far-left groups and Islamists and Iran's latest threats against the U.S.
In a recent Nature Communications study, researchers have reported the realization of an anti-spin ice, a system that does the opposite of conventional spin ices by breaking the ice rule that governs them.
Rioters looted stores and set fires to barricades in Frankfurt on Saturday as protests across Germany demanded lower living costs and better education.